<!DOCTYPE HTML>
<html>
<head>
<script>
	window.onload = function(){
		var canvas = document.getElementById("myCanvas");
		var context = canvas.getContext("2d");
		context.translate(canvas.width / 2, canvas.height / 2);
		context.scale(-10, 10);
		
		context.font = "30 pt Calibri";
		context.textAlign = "center";
		context.fillStyle = "blue";
		context.fillText("!Hello World!", 0, 0);
	}
</script>
</head>
<body>
	<canvas id="myCanvas" width="800" height="500" style="border:1px solid black;">
	</canvas>
</body>
</html>